A new sampler for Fourier Basis Densities discretizes the density into an ancestor distribution, adds triangular B-spline noise, and proves O(1/K^2) total variation and Wasserstein error bounds.
Fourier basis density model,
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Discretized Approximate Ancestral Sampling
A new sampler for Fourier Basis Densities discretizes the density into an ancestor distribution, adds triangular B-spline noise, and proves O(1/K^2) total variation and Wasserstein error bounds.